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SNMP_BRIDGE(3) FreeBSD Library Functions Manual SNMP_BRIDGE(3)
NAMEsnmp_bridge -- bridge module for snmpd
LIBRARY
(begemotSnmpdModulePath."bridge" = /usr/lib/snmp_bridge.so)
DESCRIPTION
The snmp_bridge module implements the BRIDGE-MIB as standardized in RFC
4188, the RSTP-MIB standardized in RFC4318 and a private BEGEMOT-BRIDGE-
MIB, which allows management of multiple bridge interfaces. Most of the
objects defined in the private BEGEMOT-BRIDGE-MIB are duplicates of the
original objects defined by the standard BRIDGE-MIB, but the private MIB
also defines additional objects which make the functionality of
snmp_bridge similar to ifconfig(8) for configuring bridge interfaces.
Therefore one should consider adding write communities or loading the
snmp_bridge module on systems where security is crucial.
IMPLEMENTATION NOTES
The additional objects to configure a bridge are:
begemotBridgeBaseStatus
Bridge interfaces can be created and destroyed via this
object. SNMP SET operations with the following values are
allowed:
createAndWait will attempt to create a bridge interface with
the name given by the table index.
createAndGo will attempt to create a bridge interface with
the name given by the table index and set the
status of the interface to "active/up".
destroy will attempt to destroy the bridge interface.
begemotBridgeBaseSpanEnabled
A SNMP SET operation on this object is only successful if the
corresponding port has not been added as member of the bridge
interface on the system.
begemotBridgeBasePortStatus
SNMP SET operations with the following values are allowed:
createAndWait will create a new row for the bridge member in
the SNMP begemotBridgeBasePortTable but will
not try to commit the information to the sys-
tem.
active will attempt to commit the information to the
system and will be successful only if a value
for begemotBridgeBaseSpanEnabled has been SET
already.
destroy will attempt to remove the interface from the
system bridge interface.
begemotBridgeBasePortPrivate
This object controls a bridge interface flag called PRIVATE
where any private port can not communicate with another pri-
vate port.
RESTRICTIONS
Not all information in the MIBs is currently available in FreeBSD. The
following variables carry no information:
dot1dBasePortCircuitdot1dBasePortDelayExceededDiscardsdot1dBasePortMtuExceededDiscardsbegemotBridgeBasePortDelayExceededDiscardsbegemotBridgeBasePortMtuExceededDiscardsFILES
/usr/share/snmp/defs/bridge_tree.def
The description of the MIB tree implemented by snmp_bridge.
/usr/share/snmp/mibs/BRIDGE-MIB.txt
This is the BRIDGE-MIB that is implemented by this module.
/usr/share/snmp/mibs/RSTP-MIB.txt
This is the RSTP-MIB implemented by this module.
/usr/share/snmp/mibs/BEGEMOT-BRIDGE-MIB.txt
This is the private BEGEMOT-BRIDGE-MIB that is implemented by
this module.
SEE ALSObsnmpd(1), gensnmptree(1), if_bridge(4), ifconfig(8), snmpmod(3)AUTHORS
Shteryana Shopova <syrinx@FreeBSD.org>
FreeBSD 10.2 August 6, 2007 FreeBSD 10.2